Sensors and Switches

Partnering to advance the future of flight through sensing solutions

Reliability, Accuracy and Performance

Unison designs, manufactures and supplies customized sensor solutions. Our product range includes a full suite of advanced Temperature and Speed Sensors, Pressure and Limit Switches and Bellows capable of harsh on-engine, airframe and industrial applications. We offer strong field-tested sensors design pedigree, a full spectrum of applicable engineering and testing capabilities with a problem-solving, service-oriented, partnering mindset. We strive to be our customer’s partner and one-stop supplier of choice for advanced sensing.

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Our Temperature and Speed sensors are designed to withstand harsh environmental conditions for both high altitude, high performance aircraft to marine and ground-based turbine and industrial applications. We continually invest in advanced sensing solutions, pushing the boundaries of our capabilities in service of our customer’s critical Sensing needs.


Unison offers precision absolute and differential pressure switches, as well as high temperature mechanical position or limit switches for harsh environment applications.




Unison manufactures tightly controlled, thin-walled, precision hydroformed bellows as a stand alone assembly or for use in switches serving as either a flexible mechanical seal or a precision pressure sensing element.